TM 9-2320-365-20-1
Table 2-1. Preventive Maintenance Checks and Services (Cont)
Item
No.
Interval
Location
Item to be
Checked
or
Serviced
Procedure
Not Fully
Mission
Capable If:
40
Semiannual
WATER
PUMP
a. Check security of water pump attachment bolts
and hose clamps. Refer to para 6-12 if clamps
are found to be loose.
b.
Inspect water pump for leaks around impeller
shaft.
c. Inspect water pump pulley and idler pulley for
damage.
a. Bolts are
stripped.
b. Class III leak
is evident.
c. Water pump
pulley or idler
pulley is
damaged to the
point that it
affects belt wear.
d.
Check drive belt for cracks, frays, and shiny
spots.
d. Drive belt has
more than one
crack 1/8 in. (0.3
cm) in depth or
50 percent of belt
thickness, any
fray more than 2
in. (5.1 cm) long,
or has excessive
play.
2-45